[INFO] fetching crate merklebtree 0.1.5...
[INFO] checking merklebtree-0.1.5 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate merklebtree 0.1.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate merklebtree 0.1.5 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merklebtree 0.1.5
[INFO] finished tweaking crates.io crate merklebtree 0.1.5
[INFO] tweaked toml for crates.io crate merklebtree 0.1.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate merklebtree 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synstructure v0.12.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.52
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.52
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.52
[INFO] [stderr]   Downloaded ring v0.16.9
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.52
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.52
[INFO] [stderr]   Downloaded js-sys v0.3.29
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.52
[INFO] [stderr]   Downloaded web-sys v0.3.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3178eaf3f6b447a604b77e90f6e192df5c910109136997fd33336d091a2692f8
[INFO] running `Command { std: "docker" "start" "-a" "3178eaf3f6b447a604b77e90f6e192df5c910109136997fd33336d091a2692f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3178eaf3f6b447a604b77e90f6e192df5c910109136997fd33336d091a2692f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3178eaf3f6b447a604b77e90f6e192df5c910109136997fd33336d091a2692f8", kill_on_drop: false }`
[INFO] [stdout] 3178eaf3f6b447a604b77e90f6e192df5c910109136997fd33336d091a2692f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2490eb07729ec1211251c48c300b1fb74fd804890b6e1ea06c39dfbb6483d5d0
[INFO] running `Command { std: "docker" "start" "-a" "2490eb07729ec1211251c48c300b1fb74fd804890b6e1ea06c39dfbb6483d5d0", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   syn v1.0.7 (as host dependency): extra-traits, full
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking merklebtree v0.1.5 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/merklebtree.rs (12 fixes)
[INFO] [stderr]        Fixed src/sgxdb.rs (11 fixes)
[INFO] [stderr]        Fixed src/iterator.rs (6 fixes)
[INFO] [stderr]        Fixed src/node.rs (10 fixes)
[INFO] [stdout] warning: type `position` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum position {
[INFO] [stdout]   |          ^^^^^^^^ help: convert the identifier to upper camel case: `Position`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `begin` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     begin,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `between` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     between,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Between`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `end` should have an upper camel case name
[INFO] [stdout]   --> src/iterator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     end,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `End`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `btree_iterator` should have an upper camel case name
[INFO] [stdout]   --> src/iterator.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct btree_iterator<'a, T>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BtreeIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `position` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum position {
[INFO] [stdout]   |          ^^^^^^^^ help: convert the identifier to upper camel case: `Position`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `begin` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     begin,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `between` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     between,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Between`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `end` should have an upper camel case name
[INFO] [stdout]   --> src/iterator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     end,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `End`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `btree_iterator` should have an upper camel case name
[INFO] [stdout]   --> src/iterator.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct btree_iterator<'a, T>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BtreeIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `leftItem` should have a snake case name
[INFO] [stdout]    --> src/merklebtree.rs:429:12
[INFO] [stdout]     |
[INFO] [stdout] 429 |     pub fn leftItem<T>(&self, node_id: i32, nodes: &mut Nodes<T>) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^ help: convert the identifier to snake case: `left_item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rightItem` should have a snake case name
[INFO] [stdout]    --> src/merklebtree.rs:462:12
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn rightItem<T>(&self, node_id: i32, nodes: &mut Nodes<T>) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `right_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |             if index - 1 >= 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:285:28
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         if e - 1 >= 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         if e - 1 >= 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `leftItem` should have a snake case name
[INFO] [stdout]    --> src/merklebtree.rs:429:12
[INFO] [stdout]     |
[INFO] [stdout] 429 |     pub fn leftItem<T>(&self, node_id: i32, nodes: &mut Nodes<T>) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^ help: convert the identifier to snake case: `left_item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rightItem` should have a snake case name
[INFO] [stdout]    --> src/merklebtree.rs:462:12
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn rightItem<T>(&self, node_id: i32, nodes: &mut Nodes<T>) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `right_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |             if index - 1 >= 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:285:28
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         if e - 1 >= 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         if e - 1 >= 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/test_persistence.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/test_btree.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_sgxdb_verification.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_branch_clone.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/test_sgxdb.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_remove.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/utils.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_put.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/test_merkle.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_iterator.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed tests/test_persistence.rs (7 fixes)
[INFO] [stderr]        Fixed tests/utils.rs (4 fixes)
[INFO] [stderr]        Fixed examples/test_btree.rs (3 fixes)
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node_item3`
[INFO] [stdout]    --> tests/utils.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub fn assert_valid_tree_node_item3(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node_item4`
[INFO] [stdout]    --> tests/utils.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn assert_valid_tree_node_item4(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_persistence.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     f.write_all(message.as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_persistence.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     f.write_all(String::from("\n").as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed tests/test_sgxdb_verification.rs (9 fixes)
[INFO] [stdout] warning: value assigned to `root_node` is never read
[INFO] [stdout]    --> tests/test_sgxdb_verification.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             root_node = Node::new_empty(0);
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_subnodes_nodemap_existed`
[INFO] [stdout]    --> tests/test_sgxdb_verification.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn print_subnodes_nodemap_existed<T>(subnodes: &mut Nodes<T>)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_subnodes_nodemap`
[INFO] [stdout]    --> tests/test_sgxdb_verification.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn print_subnodes_nodemap<T>(subnodes: &mut Nodes<T>)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed tests/test_branch_clone.rs (26 fixes)
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node`
[INFO] [stdout]    --> tests/utils.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn assert_valid_tree_node(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed examples/main.rs (5 fixes)
[INFO] [stderr]        Fixed tests/test_remove.rs (13 fixes)
[INFO] [stdout] warning: function is never used: `test2`
[INFO] [stdout]    --> examples/main.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn test2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node`
[INFO] [stdout]    --> tests/utils.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn assert_valid_tree_node(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node_item4`
[INFO] [stdout]    --> tests/utils.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn assert_valid_tree_node_item4(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed tests/test_put.rs (10 fixes)
[INFO] [stderr]        Fixed examples/test_sgxdb.rs (9 fixes)
[INFO] [stderr]        Fixed examples/test_merkle.rs (1 fix)
[INFO] [stdout] warning: function is never used: `print_subnodes_nodemap`
[INFO] [stdout]    --> examples/test_sgxdb.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn print_subnodes_nodemap<T>(subnodes: &mut Nodes<T>)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node_item4`
[INFO] [stdout]    --> tests/utils.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn assert_valid_tree_node_item4(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed tests/test_iterator.rs (31 fixes)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |             count => {
[INFO] [stdout]     |             ----- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 413 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:516:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |             _count => {
[INFO] [stdout]     |             ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 516 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:586:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |             count => {
[INFO] [stdout]     |             ----- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 586 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:654:13
[INFO] [stdout]     |
[INFO] [stdout] 647 |             _count => {
[INFO] [stdout]     |             ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 654 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:710:13
[INFO] [stdout]     |
[INFO] [stdout] 703 |             count => {
[INFO] [stdout]     |             ----- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 710 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:764:13
[INFO] [stdout]     |
[INFO] [stdout] 757 |             _count => {
[INFO] [stdout]     |             ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 764 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:824:13
[INFO] [stdout]     |
[INFO] [stdout] 817 |             count => {
[INFO] [stdout]     |             ----- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 824 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:882:13
[INFO] [stdout]     |
[INFO] [stdout] 875 |             _count => {
[INFO] [stdout]     |             ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 882 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `actual_value` is never read
[INFO] [stdout]   --> tests/test_iterator.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut actual_value = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `expect_value` is never read
[INFO] [stdout]   --> tests/test_iterator.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut expect_value = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `actual_value` is never read
[INFO] [stdout]   --> tests/test_iterator.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut actual_value = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.47s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking merklebtree v0.1.5 (/tmp/fixit)
[INFO] [stdout] warning: type `position` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum position {
[INFO] [stdout]   |          ^^^^^^^^ help: convert the identifier to upper camel case: `Position`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `begin` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     begin,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `between` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     between,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Between`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `end` should have an upper camel case name
[INFO] [stdout]   --> src/iterator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     end,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `End`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `btree_iterator` should have an upper camel case name
[INFO] [stdout]   --> src/iterator.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct btree_iterator<'a, T>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BtreeIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `position` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum position {
[INFO] [stdout]   |          ^^^^^^^^ help: convert the identifier to upper camel case: `Position`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `begin` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     begin,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `between` should have an upper camel case name
[INFO] [stdout]  --> src/iterator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     between,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Between`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `end` should have an upper camel case name
[INFO] [stdout]   --> src/iterator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     end,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `End`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `btree_iterator` should have an upper camel case name
[INFO] [stdout]   --> src/iterator.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct btree_iterator<'a, T>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BtreeIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `leftItem` should have a snake case name
[INFO] [stdout]    --> src/merklebtree.rs:429:12
[INFO] [stdout]     |
[INFO] [stdout] 429 |     pub fn leftItem<T>(&self, node_id: i32, nodes: &mut Nodes<T>) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^ help: convert the identifier to snake case: `left_item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rightItem` should have a snake case name
[INFO] [stdout]    --> src/merklebtree.rs:462:12
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn rightItem<T>(&self, node_id: i32, nodes: &mut Nodes<T>) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `right_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |             if index - 1 >= 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:285:28
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         if e - 1 >= 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         if e - 1 >= 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `leftItem` should have a snake case name
[INFO] [stdout]    --> src/merklebtree.rs:429:12
[INFO] [stdout]     |
[INFO] [stdout] 429 |     pub fn leftItem<T>(&self, node_id: i32, nodes: &mut Nodes<T>) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^ help: convert the identifier to snake case: `left_item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rightItem` should have a snake case name
[INFO] [stdout]    --> src/merklebtree.rs:462:12
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn rightItem<T>(&self, node_id: i32, nodes: &mut Nodes<T>) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `right_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |             if index - 1 >= 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:285:28
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         if e - 1 >= 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/iterator.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         if e - 1 >= 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_subnodes_nodemap`
[INFO] [stdout]    --> examples/test_sgxdb.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn print_subnodes_nodemap<T>(subnodes: &mut Nodes<T>)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test2`
[INFO] [stdout]    --> examples/main.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn test2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `root_node` is never read
[INFO] [stdout]    --> tests/test_sgxdb_verification.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             root_node = Node::new_empty(0);
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node_item3`
[INFO] [stdout]    --> tests/utils.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub fn assert_valid_tree_node_item3(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node_item4`
[INFO] [stdout]    --> tests/utils.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn assert_valid_tree_node_item4(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |             count => {
[INFO] [stdout]     |             ----- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 413 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:516:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |             _count => {
[INFO] [stdout]     |             ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 516 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:586:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |             count => {
[INFO] [stdout]     |             ----- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 586 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:654:13
[INFO] [stdout]     |
[INFO] [stdout] 647 |             _count => {
[INFO] [stdout]     |             ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 654 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:710:13
[INFO] [stdout]     |
[INFO] [stdout] 703 |             count => {
[INFO] [stdout]     |             ----- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 710 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:764:13
[INFO] [stdout]     |
[INFO] [stdout] 757 |             _count => {
[INFO] [stdout]     |             ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 764 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:824:13
[INFO] [stdout]     |
[INFO] [stdout] 817 |             count => {
[INFO] [stdout]     |             ----- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 824 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> tests/test_iterator.rs:882:13
[INFO] [stdout]     |
[INFO] [stdout] 875 |             _count => {
[INFO] [stdout]     |             ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 882 |             _ => {
[INFO] [stdout]     |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `actual_value` is never read
[INFO] [stdout]   --> tests/test_iterator.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut actual_value = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `expect_value` is never read
[INFO] [stdout]   --> tests/test_iterator.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut expect_value = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `actual_value` is never read
[INFO] [stdout]   --> tests/test_iterator.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut actual_value = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_persistence.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     f.write_all(message.as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_subnodes_nodemap_existed`
[INFO] [stdout]    --> tests/test_sgxdb_verification.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn print_subnodes_nodemap_existed<T>(subnodes: &mut Nodes<T>)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_subnodes_nodemap`
[INFO] [stdout]    --> tests/test_sgxdb_verification.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn print_subnodes_nodemap<T>(subnodes: &mut Nodes<T>)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_persistence.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     f.write_all(String::from("\n").as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node`
[INFO] [stdout]    --> tests/utils.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn assert_valid_tree_node(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node_item4`
[INFO] [stdout]    --> tests/utils.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn assert_valid_tree_node_item4(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node`
[INFO] [stdout]    --> tests/utils.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn assert_valid_tree_node(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_valid_tree_node_item4`
[INFO] [stdout]    --> tests/utils.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn assert_valid_tree_node_item4(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.64s
[INFO] running `Command { std: "docker" "inspect" "2490eb07729ec1211251c48c300b1fb74fd804890b6e1ea06c39dfbb6483d5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2490eb07729ec1211251c48c300b1fb74fd804890b6e1ea06c39dfbb6483d5d0", kill_on_drop: false }`
[INFO] [stdout] 2490eb07729ec1211251c48c300b1fb74fd804890b6e1ea06c39dfbb6483d5d0